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<div class="title">ModifiedButterFlyT.hh</div>  </div>
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<a href="a00707.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* ========================================================================= *</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *                               OpenMesh                                    *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *           Copyright (c) 2001-2015, RWTH-Aachen University                 *</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *           Department of Computer Graphics and Multimedia                  *</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *                          All rights reserved.                             *</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> *                            www.openmesh.org                               *</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * This file is part of OpenMesh.                                            *</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *---------------------------------------------------------------------------*</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without        *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions        *</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * are met:                                                                  *</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * 1. Redistributions of source code must retain the above copyright notice, *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer.                  *</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright      *</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> *    notice, this list of conditions and the following disclaimer in the    *</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *    documentation and/or other materials provided with the distribution.   *</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * 3. Neither the name of the copyright holder nor the names of its          *</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> *    contributors may be used to endorse or promote products derived from   *</span></div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> *    this software without specific prior written permission.               *</span></div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *</span></div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> * &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *</span></div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *</span></div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *</span></div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> *                                                                           *</span></div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * ========================================================================= */</span></div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">//  CLASS ModifiedButterflyT</span></div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">//</span></div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">//=============================================================================</span></div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor">#ifndef SP_MODIFIED_BUTTERFLY_H</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="preprocessor">#define SP_MODIFIED_BUTTERFLY_H</span></div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="a00716.html">OpenMesh/Tools/Subdivider/Uniform/SubdividerT.hh</a>&gt;</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="preprocessor">#include &lt;OpenMesh/Core/Utils/vector_cast.hh&gt;</span></div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="preprocessor">#include &lt;OpenMesh/Core/Utils/Property.hh&gt;</span></div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">// -------------------- STL</span></div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="preprocessor">#if defined(OM_CC_MIPS)</span></div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#  include &lt;math.h&gt;</span></div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="preprocessor">#else</span></div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="preprocessor">#  include &lt;cmath&gt;</span></div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">//== NAMESPACE ================================================================</span></div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">namespace </span><a class="code" href="a01233.html">OpenMesh</a>   { <span class="comment">// BEGIN_NS_OPENMESH</span></div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">namespace </span>Subdivider { <span class="comment">// BEGIN_NS_DECIMATER</span></div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="keyword">namespace </span>Uniform    { <span class="comment">// BEGIN_NS_UNIFORM</span></div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">//== CLASS DEFINITION =========================================================</span></div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">typename</span> MeshType, <span class="keyword">typename</span> RealType = <span class="keywordtype">double</span>&gt;</div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="a03041.html">   92</a></span>&#160;<span class="keyword">class </span><a class="code" href="a03041.html">ModifiedButterflyT</a> : <span class="keyword">public</span> <a class="code" href="a03057.html">SubdividerT</a>&lt;MeshType, RealType&gt;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;{</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;  <span class="keyword">typedef</span> RealType                                real_t;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <span class="keyword">typedef</span> MeshType                                mesh_t;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  <span class="keyword">typedef</span> <a class="code" href="a03057.html">SubdividerT&lt; mesh_t, real_t &gt;</a>           <a class="code" href="a03057.html">parent_t</a>;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  <span class="keyword">typedef</span> std::vector&lt; std::vector&lt;real_t&gt; &gt;      weights_t;</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;  <span class="keyword">typedef</span> std::vector&lt;real_t&gt;                     weight_t;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  <a class="code" href="a03041.html">ModifiedButterflyT</a>() : parent_t()</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  { <a class="code" href="a03041.html#a81b2612d667f5e1e4baa6678f6981b0d">init_weights</a>(); }</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keyword">explicit</span> <a class="code" href="a03041.html">ModifiedButterflyT</a>( mesh_t&amp; _m) : parent_t(_m)</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;  { <a class="code" href="a03041.html#a81b2612d667f5e1e4baa6678f6981b0d">init_weights</a>(); }</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  ~<a class="code" href="a03041.html">ModifiedButterflyT</a>() {}</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="keyword">public</span>:</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno"><a class="line" href="a03041.html#aa7de30eceefd3e5a25c056442aac9c64">  120</a></span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="a03041.html#aa7de30eceefd3e5a25c056442aac9c64">name</a>()<span class="keyword"> const override </span>{ <span class="keywordflow">return</span> <span class="stringliteral">&quot;Uniform Spectral&quot;</span>; }</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="a03041.html#a81b2612d667f5e1e4baa6678f6981b0d">  124</a></span>&#160;  <span class="keywordtype">void</span> <a class="code" href="a03041.html#a81b2612d667f5e1e4baa6678f6981b0d">init_weights</a>(<span class="keywordtype">size_t</span> _max_valence=30)</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  {</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    weights.resize(_max_valence);</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="comment">//special case: K==3, K==4</span></div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    weights[3].resize(4);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    weights[3][0] = real_t(5.0)/12;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    weights[3][1] = real_t(-1.0)/12;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    weights[3][2] = real_t(-1.0)/12;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    weights[3][3] = real_t(3.0)/4;</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    weights[4].resize(5);</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    weights[4][0] = real_t(3.0)/8;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    weights[4][1] = 0;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    weights[4][2] = real_t(-1.0)/8;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    weights[4][3] = 0;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    weights[4][4] = real_t(3.0)/4;</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> K = 5; K&lt;_max_valence; ++K)</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;    {</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;        weights[K].resize(K+1);</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;        <span class="comment">// s(j) = ( 1/4 + cos(2*pi*j/K) + 1/2 * cos(4*pi*j/K) )/K</span></div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;        <span class="keywordtype">double</span> invK  = 1.0/<span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(K);</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        real_t sum = 0;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;        <span class="keywordflow">for</span>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> j=0; j&lt;K; ++j)</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;        {</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;            weights[K][j] = <span class="keyword">static_cast&lt;</span>real_t<span class="keyword">&gt;</span>((0.25 + cos(2.0*M_PI*static_cast&lt;double&gt;(j)*invK) + 0.5*cos(4.0*M_PI*static_cast&lt;double&gt;(j)*invK))*invK);</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;            sum += weights[K][j];</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;        }</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;        weights[K][K] = <span class="keyword">static_cast&lt;</span>real_t<span class="keyword">&gt;</span>(1.0) - sum;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    }</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  }</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="a03041.html#aed42f867139738303c6ecff7ea7ef248">  161</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="a03041.html#aed42f867139738303c6ecff7ea7ef248">prepare</a>( mesh_t&amp; _m )<span class="keyword"> override</span></div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keyword">  </span>{</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    _m.add_property( vp_pos_ );</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    _m.add_property( ep_pos_ );</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;</div><div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="a03041.html#a8a1c09b09b7ea1c08ed7c12d6145ffa2">  169</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="a03041.html#a8a1c09b09b7ea1c08ed7c12d6145ffa2">cleanup</a>( mesh_t&amp; _m )<span class="keyword"> override</span></div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="keyword">  </span>{</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    _m.remove_property( vp_pos_ );</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    _m.remove_property( ep_pos_ );</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  }</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="a03041.html#a468436df18f5ca0600850c1bdbd0c91c">  177</a></span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="a03041.html#a468436df18f5ca0600850c1bdbd0c91c">subdivide</a>( MeshType&amp; _m, <span class="keywordtype">size_t</span> _n , <span class="keyword">const</span> <span class="keywordtype">bool</span> _update_points = <span class="keyword">true</span>)<span class="keyword"> override</span></div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="keyword">  </span>{</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;    <span class="comment">// Do _n subdivisions</span></div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i &lt; _n; ++i)</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    {</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;      <span class="comment">// This is an interpolating scheme, old vertices remain the same.</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;      <span class="keyword">typename</span> mesh_t::VertexIter initialVerticesEnd = _m.vertices_end();</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;      <span class="keywordflow">for</span> ( <span class="keyword">auto</span> vh : _m.vertices())</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;        _m.property( vp_pos_, vh ) = _m.point(vh);</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;      <span class="comment">// Compute position for new vertices and store them in the edge property</span></div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;      <span class="keywordflow">for</span> (<span class="keyword">auto</span> eh : _m.edges())</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;        compute_midpoint( _m, eh);</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;      <span class="comment">// Split each edge at midpoint and store precomputed positions (stored in</span></div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;      <span class="comment">// edge property ep_pos_) in the vertex property vp_pos_;</span></div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      <span class="comment">// Attention! Creating new edges, hence make sure the loop ends correctly.</span></div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      <span class="keywordflow">for</span> (<span class="keyword">auto</span> eh : _m.edges())</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;        split_edge(_m, eh );</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;      <span class="comment">// Commit changes in topology and reconsitute consistency</span></div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;      <span class="comment">// Attention! Creating new faces, hence make sure the loop ends correctly.</span></div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;      <span class="keywordflow">for</span> (<span class="keyword">auto</span> fh : _m.faces())</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;        split_face(_m, fh );</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      <span class="comment">// Commit changes in geometry</span></div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;      <span class="keywordflow">for</span> ( <span class="keyword">auto</span> vh : _m.vertices())</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;        _m.set_point(vh, _m.property( vp_pos_, vh ) );</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="preprocessor">#if defined(_DEBUG) || defined(DEBUG)</span></div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;      <span class="comment">// Now we have an consistent mesh!</span></div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;      assert( <a class="code" href="a03077.html">OpenMesh::Utils::MeshCheckerT&lt;mesh_t&gt;</a>(_m).check() );</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;    }</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  }</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="keyword">private</span>: <span class="comment">// topological modifiers</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  <span class="keywordtype">void</span> split_face(mesh_t&amp; _m, <span class="keyword">const</span> <span class="keyword">typename</span> mesh_t::FaceHandle&amp; _fh)</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  {</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;      heh1(_m.halfedge_handle(_fh)),</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;      heh2(_m.next_halfedge_handle(_m.next_halfedge_handle(heh1))),</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;      heh3(_m.next_halfedge_handle(_m.next_halfedge_handle(heh2)));</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;    <span class="comment">// Cutting off every corner of the 6_gon</span></div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    corner_cutting( _m, heh1 );</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    corner_cutting( _m, heh2 );</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    corner_cutting( _m, heh3 );</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;  }</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;  <span class="keywordtype">void</span> corner_cutting(mesh_t&amp; _m, <span class="keyword">const</span> <span class="keyword">typename</span> mesh_t::HalfedgeHandle&amp; _he)</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;  {</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;    <span class="comment">// Define Halfedge Handles</span></div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;      heh1(_he),</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;      heh5(heh1),</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;      heh6(_m.next_halfedge_handle(heh1));</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="comment">// Cycle around the polygon to find correct Halfedge</span></div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;    <span class="keywordflow">for</span> (; _m.next_halfedge_handle(_m.next_halfedge_handle(heh5)) != heh1;</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;         heh5 = _m.next_halfedge_handle(heh5))</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    {}</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a></div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;      vh1 = _m.to_vertex_handle(heh1),</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;      vh2 = _m.to_vertex_handle(heh5);</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;      heh2(_m.next_halfedge_handle(heh5)),</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;      heh3(_m.new_edge( vh1, vh2)),</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;      heh4(_m.opposite_halfedge_handle(heh3));</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="comment">/* Intermediate result</span></div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">     *</span></div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="comment">     *            *</span></div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="comment">     *         5 /|\</span></div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="comment">     *          /_  \</span></div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="comment">     *    vh2&gt; *     *</span></div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="comment">     *        /|\3   |\</span></div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="comment">     *       /_  \|4   \</span></div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="comment">     *      *----\*----\*</span></div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment">     *          1 ^   6</span></div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="comment">     *            vh1 (adjust_outgoing halfedge!)</span></div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="comment">     */</span></div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;    <span class="comment">// Old and new Face</span></div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;    <span class="keyword">typename</span> mesh_t::FaceHandle     fh_old(_m.face_handle(heh6));</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="keyword">typename</span> mesh_t::FaceHandle     fh_new(_m.new_face());</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="comment">// Re-Set Handles around old Face</span></div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    _m.set_next_halfedge_handle(heh4, heh6);</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;    _m.set_next_halfedge_handle(heh5, heh4);</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;    _m.set_face_handle(heh4, fh_old);</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    _m.set_face_handle(heh5, fh_old);</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    _m.set_face_handle(heh6, fh_old);</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;    _m.set_halfedge_handle(fh_old, heh4);</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    <span class="comment">// Re-Set Handles around new Face</span></div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    _m.set_next_halfedge_handle(heh1, heh3);</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;    _m.set_next_halfedge_handle(heh3, heh2);</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;    _m.set_face_handle(heh1, fh_new);</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;    _m.set_face_handle(heh2, fh_new);</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;    _m.set_face_handle(heh3, fh_new);</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;    _m.set_halfedge_handle(fh_new, heh1);</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;  }</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  <span class="keywordtype">void</span> split_edge(mesh_t&amp; _m, <span class="keyword">const</span> <span class="keyword">typename</span> mesh_t::EdgeHandle&amp; _eh)</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  {</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;      heh     = _m.halfedge_handle(_eh, 0),</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;      opp_heh = _m.halfedge_handle(_eh, 1);</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle new_heh, opp_new_heh, t_heh;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a>   vh;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a>   vh1(_m.to_vertex_handle(heh));</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    <span class="keyword">typename</span> mesh_t::Point          zero(0,0,0);</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="comment">// new vertex</span></div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    vh                = _m.new_vertex( zero );</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    <span class="comment">// memorize position, will be set later</span></div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;    _m.property( vp_pos_, vh ) = _m.property( ep_pos_, _eh );</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="comment">// Re-link mesh entities</span></div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <span class="keywordflow">if</span> (_m.is_boundary(_eh))</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    {</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;      <span class="keywordflow">for</span> (t_heh = heh;</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;           _m.next_halfedge_handle(t_heh) != opp_heh;</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;           t_heh = _m.opposite_halfedge_handle(_m.next_halfedge_handle(t_heh)))</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;      {}</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;    }</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    {</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;      <span class="keywordflow">for</span> (t_heh = _m.next_halfedge_handle(opp_heh);</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;           _m.next_halfedge_handle(t_heh) != opp_heh;</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;           t_heh = _m.next_halfedge_handle(t_heh) )</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;      {}</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    }</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    new_heh     = _m.new_edge(vh, vh1);</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    opp_new_heh = _m.opposite_halfedge_handle(new_heh);</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    _m.set_vertex_handle( heh, vh );</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    _m.set_next_halfedge_handle(t_heh, opp_new_heh);</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    _m.set_next_halfedge_handle(new_heh, _m.next_halfedge_handle(heh));</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;    _m.set_next_halfedge_handle(heh, new_heh);</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    _m.set_next_halfedge_handle(opp_new_heh, opp_heh);</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    <span class="keywordflow">if</span> (_m.face_handle(opp_heh).is_valid())</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    {</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;      _m.set_face_handle(opp_new_heh, _m.face_handle(opp_heh));</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;      _m.set_halfedge_handle(_m.face_handle(opp_new_heh), opp_new_heh);</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;    }</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    _m.set_face_handle( new_heh, _m.face_handle(heh) );</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;    _m.set_halfedge_handle( vh, new_heh);</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;    <span class="comment">// We cant reconnect a non existing face, so we skip this here if necessary</span></div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;    <span class="keywordflow">if</span> ( !_m.is_boundary(heh) )</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;      _m.set_halfedge_handle( _m.face_handle(heh), heh );</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    _m.set_halfedge_handle( vh1, opp_new_heh );</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;</div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    <span class="comment">// Never forget this, when playing with the topology</span></div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;    _m.adjust_outgoing_halfedge( vh );</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    _m.adjust_outgoing_halfedge( vh1 );</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;  }</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="keyword">private</span>: <span class="comment">// geometry helper</span></div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;  <span class="keywordtype">void</span> compute_midpoint(mesh_t&amp; _m, <span class="keyword">const</span> <span class="keyword">typename</span> mesh_t::EdgeHandle&amp; _eh)</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;  {</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;    <span class="keyword">typename</span> mesh_t::HalfedgeHandle heh, opp_heh;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;    heh      = _m.halfedge_handle( _eh, 0);</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    opp_heh  = _m.halfedge_handle( _eh, 1);</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    <span class="keyword">typename</span> mesh_t::Point pos(0,0,0);</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a> a_0(_m.to_vertex_handle(heh));</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;    <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a> a_1(_m.to_vertex_handle(opp_heh));</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;    <span class="comment">// boundary edge: 4-point scheme</span></div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;    <span class="keywordflow">if</span> (_m.is_boundary(_eh) )</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;    {</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;        pos = _m.point(a_0);</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        pos += _m.point(a_1);</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        pos *= <span class="keyword">static_cast&lt;</span>RealType<span class="keyword">&gt;</span>(9.0/16.0);</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        <span class="keyword">typename</span> mesh_t::Point tpos;</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;        <span class="keywordflow">if</span>(_m.is_boundary(heh))</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        {</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;            tpos = _m.point(_m.to_vertex_handle(_m.next_halfedge_handle(heh)));</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;            tpos += _m.point(_m.to_vertex_handle(_m.opposite_halfedge_handle(_m.prev_halfedge_handle(heh))));</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;        }</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        <span class="keywordflow">else</span></div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;        {</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;            assert(_m.is_boundary(opp_heh));</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;            tpos = _m.point(_m.to_vertex_handle(_m.next_halfedge_handle(opp_heh)));</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;            tpos += _m.point(_m.to_vertex_handle(_m.opposite_halfedge_handle(_m.prev_halfedge_handle(opp_heh))));</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;        }</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        tpos *= <span class="keyword">static_cast&lt;</span>RealType<span class="keyword">&gt;</span>(-1.0/16.0);</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;        pos += tpos;</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;    }</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;    <span class="keywordflow">else</span></div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    {</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;        <span class="keywordtype">int</span> valence_a_0 = _m.valence(a_0);</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="keywordtype">int</span> valence_a_1 = _m.valence(a_1);</div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;        assert(valence_a_0&gt;2);</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;        assert(valence_a_1&gt;2);</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        <span class="keywordflow">if</span>( (valence_a_0==6 &amp;&amp; valence_a_1==6) || (_m.is_boundary(a_0) &amp;&amp; valence_a_1==6) || (_m.is_boundary(a_1) &amp;&amp; valence_a_0==6) || (_m.is_boundary(a_0) &amp;&amp; _m.is_boundary(a_1)) )<span class="comment">// use 8-point scheme</span></div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;        {</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;            real_t alpha    = real_t(1.0/2);</div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;            real_t beta     = real_t(1.0/8);</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;            real_t gamma    = real_t(-1.0/16);</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;            <span class="comment">//get points</span></div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            <span class="keyword">typename</span> <a class="code" href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">mesh_t::VertexHandle</a> b_0, b_1, c_0, c_1, c_2, c_3;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            <span class="keyword">typename</span> mesh_t::HalfedgeHandle t_he;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;            t_he = _m.next_halfedge_handle(_m.opposite_halfedge_handle(heh));</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;            b_0 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;            <span class="keywordflow">if</span>(!_m.is_boundary(_m.opposite_halfedge_handle(t_he)))</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;            {</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;                t_he = _m.next_halfedge_handle(_m.opposite_halfedge_handle(t_he));</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;                c_0 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;            }</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;            t_he = _m.opposite_halfedge_handle(_m.prev_halfedge_handle(heh));</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;            b_1 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;            <span class="keywordflow">if</span>(!_m.is_boundary(t_he))</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;            {</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;                t_he = _m.opposite_halfedge_handle(_m.prev_halfedge_handle(t_he));</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;                c_1 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;            }</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;            t_he = _m.next_halfedge_handle(_m.opposite_halfedge_handle(opp_heh));</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            assert(b_1.idx()==_m.to_vertex_handle(t_he).idx());</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;            <span class="keywordflow">if</span>(!_m.is_boundary(_m.opposite_halfedge_handle(t_he)))</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            {</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;                t_he = _m.next_halfedge_handle(_m.opposite_halfedge_handle(t_he));</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;                c_2 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;            }</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;            t_he = _m.opposite_halfedge_handle(_m.prev_halfedge_handle(opp_heh));</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            assert(b_0==_m.to_vertex_handle(t_he));</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;            <span class="keywordflow">if</span>(!_m.is_boundary(t_he))</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;            {</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;                t_he = _m.opposite_halfedge_handle(_m.prev_halfedge_handle(t_he));</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;                c_3 = _m.to_vertex_handle(t_he);</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;            }</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;            <span class="comment">//compute position.</span></div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;            <span class="comment">//a0,a1,b0,b1 must exist.</span></div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;            assert(a_0.is_valid());</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;            assert(a_1.is_valid());</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;            assert(b_0.is_valid());</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;            assert(b_1.is_valid());</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;            <span class="comment">//The other vertices may be created from symmetry is they are on the other side of the boundary.</span></div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;            pos = _m.point(a_0);</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;            pos += _m.point(a_1);</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;            pos *= alpha;</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;            <span class="keyword">typename</span> mesh_t::Point tpos ( _m.point(b_0) );</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;            tpos += _m.point(b_1);</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;            tpos *= beta;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;            pos += tpos;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;            <span class="keyword">typename</span> mesh_t::Point pc_0, pc_1, pc_2, pc_3;</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;            <span class="keywordflow">if</span>(c_0.is_valid())</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;                pc_0 = _m.point(c_0);</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;            <span class="keywordflow">else</span> <span class="comment">//create the point by symmetry</span></div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;            {</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;                    pc_0 = _m.point(a_1) + _m.point(b_0) - _m.point(a_0);</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;            }</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;            <span class="keywordflow">if</span>(c_1.is_valid())</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;                pc_1 = _m.point(c_1);</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;            <span class="keywordflow">else</span> <span class="comment">//create the point by symmetry</span></div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;            {</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;                    pc_1 = _m.point(a_1) + _m.point(b_1) - _m.point(a_0);</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;            }</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;            <span class="keywordflow">if</span>(c_2.is_valid())</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;                pc_2 = _m.point(c_2);</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;            <span class="keywordflow">else</span> <span class="comment">//create the point by symmetry</span></div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;            {</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;                    pc_2 = _m.point(a_0) + _m.point(b_1) - _m.point(a_1);</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;            }</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;            <span class="keywordflow">if</span>(c_3.is_valid())</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;                pc_3 = _m.point(c_3);</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;            <span class="keywordflow">else</span> <span class="comment">//create the point by symmetry</span></div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;            {</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;                    pc_3 = _m.point(a_0) + _m.point(b_0) - _m.point(a_1);</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;            }</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;            tpos = pc_0;</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;            tpos += pc_1;</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;            tpos += pc_2;</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;            tpos += pc_3;</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;            tpos *= gamma;</div><div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;            pos += tpos;</div><div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        }</div><div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;        <span class="keywordflow">else</span> <span class="comment">//at least one endpoint is [irregular and not in boundary]</span></div><div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;        {</div><div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;          RealType normFactor = <span class="keyword">static_cast&lt;</span>RealType<span class="keyword">&gt;</span>(0.0);</div><div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;</div><div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;            <span class="keywordflow">if</span>(valence_a_0!=6 &amp;&amp; !_m.is_boundary(a_0))</div><div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;            {</div><div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;                assert((<span class="keywordtype">int</span>)weights[valence_a_0].size()==valence_a_0+1);</div><div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;                <span class="keyword">typename</span> mesh_t::HalfedgeHandle t_he = opp_heh;</div><div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; valence_a_0 ; t_he=_m.next_halfedge_handle(_m.opposite_halfedge_handle(t_he)), ++i)</div><div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;                {</div><div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;                    pos += weights[valence_a_0][i] * _m.point(_m.to_vertex_handle(t_he));</div><div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;                }</div><div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;                assert(t_he==opp_heh);</div><div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;</div><div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;                <span class="comment">//add irregular vertex:</span></div><div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;                pos += weights[valence_a_0][valence_a_0] * _m.point(a_0);</div><div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;                ++normFactor;</div><div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;            }</div><div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;</div><div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;            <span class="keywordflow">if</span>(valence_a_1!=6  &amp;&amp; !_m.is_boundary(a_1))</div><div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;            {</div><div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;                assert((<span class="keywordtype">int</span>)weights[valence_a_1].size()==valence_a_1+1);</div><div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;                <span class="keyword">typename</span> mesh_t::HalfedgeHandle t_he = heh;</div><div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;                <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i &lt; valence_a_1 ; t_he=_m.next_halfedge_handle(_m.opposite_halfedge_handle(t_he)), ++i)</div><div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;                {</div><div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;                    pos += weights[valence_a_1][i] * _m.point(_m.to_vertex_handle(t_he));</div><div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;                }</div><div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;                assert(t_he==heh);</div><div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;                <span class="comment">//add irregular vertex:</span></div><div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;                pos += weights[valence_a_1][valence_a_1] * _m.point(a_1);</div><div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;                ++normFactor;</div><div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;            }</div><div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;</div><div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;            assert(normFactor&gt;0.1); <span class="comment">//normFactor should be 1 or 2</span></div><div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;</div><div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;            <span class="comment">//if both vertices are irregular, average positions:</span></div><div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;            pos /= normFactor;</div><div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;        }</div><div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;    }</div><div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    _m.property( ep_pos_, _eh ) = pos;</div><div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;  }</div><div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;</div><div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="keyword">private</span>: <span class="comment">// data</span></div><div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;</div><div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;  <a class="code" href="a02553.html">OpenMesh::VPropHandleT&lt; typename mesh_t::Point &gt;</a> vp_pos_;</div><div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;  <a class="code" href="a02561.html">OpenMesh::EPropHandleT&lt; typename mesh_t::Point &gt;</a> ep_pos_;</div><div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;</div><div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;  weights_t     weights;</div><div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;</div><div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;};</div><div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;</div><div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;} <span class="comment">// END_NS_UNIFORM</span></div><div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;} <span class="comment">// END_NS_SUBDIVIDER</span></div><div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;} <span class="comment">// END_NS_OPENMESH</span></div><div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;</div><div class="ttc" id="a03041_html_a468436df18f5ca0600850c1bdbd0c91c"><div class="ttname"><a href="a03041.html#a468436df18f5ca0600850c1bdbd0c91c">OpenMesh::Subdivider::Uniform::ModifiedButterflyT::subdivide</a></div><div class="ttdeci">bool subdivide(MeshType &amp;_m, size_t _n, const bool _update_points=true) override</div><div class="ttdoc">Subdivide mesh _m _n times. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:177</div></div>
<div class="ttc" id="a02553_html"><div class="ttname"><a href="a02553.html">OpenMesh::VPropHandleT&lt; typename mesh_t::Point &gt;</a></div></div>
<div class="ttc" id="a03041_html"><div class="ttname"><a href="a03041.html">OpenMesh::Subdivider::Uniform::ModifiedButterflyT</a></div><div class="ttdoc">Modified Butterfly subdivision algorithm. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:92</div></div>
<div class="ttc" id="a03041_html_a8a1c09b09b7ea1c08ed7c12d6145ffa2"><div class="ttname"><a href="a03041.html#a8a1c09b09b7ea1c08ed7c12d6145ffa2">OpenMesh::Subdivider::Uniform::ModifiedButterflyT::cleanup</a></div><div class="ttdeci">bool cleanup(mesh_t &amp;_m) override</div><div class="ttdoc">Cleanup mesh after usage, e.g. remove added properties. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:169</div></div>
<div class="ttc" id="a02561_html"><div class="ttname"><a href="a02561.html">OpenMesh::EPropHandleT&lt; typename mesh_t::Point &gt;</a></div></div>
<div class="ttc" id="a03041_html_aa7de30eceefd3e5a25c056442aac9c64"><div class="ttname"><a href="a03041.html#aa7de30eceefd3e5a25c056442aac9c64">OpenMesh::Subdivider::Uniform::ModifiedButterflyT::name</a></div><div class="ttdeci">const char * name() const override</div><div class="ttdoc">Return name of subdivision algorithm. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:120</div></div>
<div class="ttc" id="a03057_html"><div class="ttname"><a href="a03057.html">OpenMesh::Subdivider::Uniform::SubdividerT</a></div><div class="ttdoc">Abstract base class for uniform subdivision algorithms. </div><div class="ttdef"><b>Definition:</b> SubdividerT.hh:88</div></div>
<div class="ttc" id="a03041_html_aed42f867139738303c6ecff7ea7ef248"><div class="ttname"><a href="a03041.html#aed42f867139738303c6ecff7ea7ef248">OpenMesh::Subdivider::Uniform::ModifiedButterflyT::prepare</a></div><div class="ttdeci">bool prepare(mesh_t &amp;_m) override</div><div class="ttdoc">Prepare mesh, e.g. add properties. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:161</div></div>
<div class="ttc" id="a03041_html_a81b2612d667f5e1e4baa6678f6981b0d"><div class="ttname"><a href="a03041.html#a81b2612d667f5e1e4baa6678f6981b0d">OpenMesh::Subdivider::Uniform::ModifiedButterflyT::init_weights</a></div><div class="ttdeci">void init_weights(size_t _max_valence=30)</div><div class="ttdoc">Pre-compute weights. </div><div class="ttdef"><b>Definition:</b> ModifiedButterFlyT.hh:124</div></div>
<div class="ttc" id="a03077_html"><div class="ttname"><a href="a03077.html">OpenMesh::Utils::MeshCheckerT</a></div><div class="ttdoc">Check integrity of mesh. </div><div class="ttdef"><b>Definition:</b> MeshCheckerT.hh:73</div></div>
<div class="ttc" id="a00716_html"><div class="ttname"><a href="a00716.html">SubdividerT.hh</a></div></div>
<div class="ttc" id="a01233_html"><div class="ttname"><a href="a01233.html">OpenMesh</a></div><div class="ttdoc">Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...</div><div class="ttdef"><b>Definition:</b> MeshItems.hh:59</div></div>
<div class="ttc" id="a02389_html_a0fc18e13d70825938274e3faf7b55e01"><div class="ttname"><a href="a02389.html#a0fc18e13d70825938274e3faf7b55e01">OpenMesh::PolyMeshT::VertexHandle</a></div><div class="ttdeci">Kernel::VertexHandle VertexHandle</div><div class="ttdoc">Handle for referencing the corresponding item. </div><div class="ttdef"><b>Definition:</b> PolyMeshT.hh:136</div></div>
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